FDA Adverse Event Malfunction Summary report: N

ELECSYS ANTI-CCP

MDR report key: 23390835 · Received October 27, 2025

Report

Report Number
1823260-2025-04358
Event Type
Malfunction
Date Received
October 27, 2025
Date of Event
July 21, 2025
Report Date
December 18, 2025
Manufacturer
ROCHE DIAGNOSTICS
Product Code
NHX
UDI-DI
04015630940370
PMA / PMN Number
K081338
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
AU
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

THE E801 ANALYZER SERIAL NUMBER WAS (B)(6). SAMPLE MATERIAL WAS RECEIVED FOR INVESTIGATION AND TESTED ON AN E801 ANALYZER WITH ANTI-CCP REAGENT LOT NUMBER: 860040. THE RESULT WAS 233 U/ML. THE CUSTOMER'S RESULTS WERE REPRODUCED AT THE INVESTIGATION SITE. THE INVESTIGATION IS ONGOING.

Additional Manufacturer Narrative · 0

UPON FURTHER INVESTIGATION OF THE PATIENT SAMPLE, AN INTERFERENT AGAINST THE STREPTAVIDIN COMPONENT OF THE REAGENT WAS CONFIRMED. THIS INTERFERENCE IS COVERED IN PRODUCT LABELING: "IN RARE CASES, INTERFERENCE DUE TO EXTREMELY HIGH TITERS OF ANTIBODIES TO ANALYTE-SPECIFIC ANTIBODIES, STREPTAVIDIN OR RUTHENIUM CAN OCCUR. THESE EFFECTS ARE MINIMIZED BY SUITABLE TEST DESIGN." THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM.

Description of Event or Problem · 0

WE RECEIVED AN ALLEGATION OF QUESTIONABLE HIGH RESULTS NOT CORRESPONDING TO THE CLINICAL PICTURE FOR 1 PATIENT TESTED FOR ELECSYS ANTI-CCP (ANTI-CCP) ON A COBAS E 801 ANALYTICAL UNIT. ON (B)(6) 2025, THE RESULT FROM THE E801 ANALYZER WAS 217 U/ML. THIS SAMPLE WAS SENT TO AN EXTERNAL LABORATORY USING THE THERMO FISHER METHOD, AND THE RESULT WAS "IN THE REFERENCE RANGE." THE SPECIFIC RESULT WAS NOT PROVIDED. ON (B)(6) 2025, A NEW SAMPLE WAS OBTAINED, AND THE RESULT FROM THE E801 ANALYZER WAS 235 U/ML. ON (B)(6) 2025, THE REPEAT RESULT FROM THE E801 ANALYZER WAS 236 U/ML. THIS SAMPLE WAS SENT TO AN EXTERNAL LABORATORY USING THE THERMO FISHER METHOD, AND THE RESULT WAS 1 U/ML (REFERENCE RANGE 0 ¿ 10 U/ML).

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
2427871 ELECSYS ANTI-CCP ANTIBODIES, ANTI-CYCLIC CITRULLINATED PEPTIDE (CCP) NHX ROCHE DIAGNOSTICS 860040 04015630940370

Patients

Seq Age Sex Outcome Treatment
1 58 YR Female